eslint-plugin-ceviz

ESLint plugin for Ceviz performance analysis - catch performance issues in real-time while coding.

Installation

pnpm add -D eslint-plugin-ceviz

Usage

Flat Config (ESLint 9+)

import ceviz from 'eslint-plugin-ceviz'

export default [
  ceviz.configs.recommended,
  // Your other configs
]

Custom Configuration

import ceviz from 'eslint-plugin-ceviz'

export default [
  {
    plugins: { ceviz },
    rules: {
      'ceviz/nested-loops': 'error',
      'ceviz/array-find-in-loop': 'warn',
      'ceviz/memory-leak-interval': 'error',
      'ceviz/sync-file-operations': 'error',
      'ceviz/sequential-requests': 'off',
    },
  },
]

Rules

| Rule | Description | Severity | |------|-------------|----------| | nested-loops | Detects O(n²) or worse nested loops | error | | array-find-in-loop | Detects array operations in loops (O(n*m)) | error | | memory-leak-interval | Detects unclosed intervals/timeouts | error | | sync-file-operations | Detects blocking file operations | error | | sequential-requests | Detects parallelizable async operations | warn |

Preset Configs

• recommended - All rules with sensible defaults
• strict - All rules as errors
• all - All available rules

Disable Comments

Use standard ESLint disable comments:

// eslint-disable-next-line ceviz/nested-loops
for (const user of users) {
  for (const post of posts) { ... }
}

License

MIT